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Troubleshooting | Halo20, 20+ and 24 Dome Radars Installation Manual
Troubleshooting
Status LED
There is a status LED (A) at the back of the scanner that indicates the status of the scanner.
A
Condition Flash repeat sequence Priority
Booting-up/Upgrading Continuous ON 1 (highest)
Fault Rapidly flashing 2
Low voltage 3 quick flashes then long gap 3
No Ethernet/Physical link 2 quick flashes then long gap 4
Operating normally Slow flash 5
¼ Note: If more than one condition exists simultaneously, the condition with the highest priority
will be indicated.
Error messages
If problems persists check that the software is up to date. Check the following websites for the
latest version of the radar and display unit software:
www.lowrance.com
www.simrad-yachting.com
www.bandg.com
Unknown Radar
Generally seen when overlaying the radar on the chart or when current display software is too
old to support radar.
Recommendations
Ensure that the correct radar source is selected and configured in the display unit. Refer to the
display unit’s documentation.
No radar
Indicates the Display and Radar have not established a network connection.
Recommendations
• Check the Radar Status LED
• Check that the Ethernet light is blinking at the radar and at the display (where applicable) or
network expansion port
• Check/select radar in Radar Sources
• Power cycle the system
• Check all connections, ensuring plugs are seated properly and no corrosion is evident on pins
• Check voltage to the yellow power control wire
• Check supply voltage/current
• Check for faults or pinch spots on the Ethernet cable and replace it
• Try another Ethernet port on the display or switch
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